It is also known as Hydrated Lime or Slaked Lime. It is obtained when Calcium Oxide is slaked with water. If heated to more than 500°C, calcium hydroxide decomposes into calcium oxide and water. A suspension of fine calcium hydroxide particles in water is called milk of lime. The solution is called lime water and is a medium strength base that reacts violently with acids and attacks many metals in presence of water. It turns milky if carbon dioxide is passed through, due to precipitation of calcium carbonate.
Applications:
Calcium Hydroxide is used as flocculant in water and sewage treatment and improvement of acid soils, in food industry and paint industry.
Physical Properties: more...
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